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In this Lesson we learn How to Use Hue & Saturation in Photoshop
Color consists of three main integral parts:
hue
value
saturation (also called “chroma”)
Let’s start with “hue“
Hue is more specifically described by the dominant wavelength and is the first item we refer to (i.e. “yellow”) when adding in the three components of a color. Hue is also a term which describes a dimension of color we readily experience when we look at color, or its purest form; it essentially refers to a color having full saturation, as follows:
When discussing “pigment primaries” (CMY), no white, black, or gray is added when 100% pure. (Full desaturation is equivalent to a muddy dark grey, as true black is not usually possible in the CMY combination.)
When discussing spectral “light primaries” (RGB), a pure hue equivalent to full saturation is determined by the ratio of the dominant wavelength to other wavelengths in the color.
Next, let’s look at the “value“
As is discussed on the “Elements: Value” page, value refers to the lightness or darkness of a color. It indicates the quantity of light reflected. When referring to pigments, dark values with black added are called “shades” of the given hue name. Light values with white pigment added are called “tints” of the hue name.
Lastly, let’s look at “saturation,” or “chroma“
Saturation defines the brilliance and intensity of a color. When a pigment hue is “toned,” both white and black (grey) are added to the color to reduce the color’s saturation. In terms of the “additive” light color model, though, saturation works on a scale based on how much or how little other hues are represented in the color.
Learn Photoshop in 30 Days Challenge, 10 min Video and 10 min Practice I will Post one Vide Every Day, After each lesson download the Photos and do some practice only for 10 to 20 min BUT Everyday.
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